Portable auger type loader



Oct. 28, 1952 G. A. ROBINSON PORTABLE AUGER TYPE LOADER Fiied March 25, 1950 (MM/ham 277%,

1 Geo Patented Oct. 28, 1952 OFFICE PORTABLE AUGER TYPE LOADER; George A. Robinson, Calgary, Alberta, Canada Application March 25, 1950, Serial No. 151,945 In Canada December 12, 1949 3 Claims. (Cl. 198-233) My invention relates to portable auger type loaders, and the objects of my invention are to provide a grain loader of this nature which may be 'slidably raised and may be extended lengthwise if required, and incorporates a combination of novel features having a wide range of adjustments, and it is exceptionally strong in construction, and may be used as a means of loading from a truck to a bin or from the bin to the truck, and it is easily transportable due to its compactness and the special arrangement of the leg suports.

p An advantage in my invention is that, with the novel type of mechanism provided, this housed auger may be tilted to any deisred angle which is required in such loading, and the housing may be securely locked at such angle, and the machine is easily set up, and is readily adaptable for the transference of grains.

A further advantage of this loader is that it is a mobile wheel-mounted unit, and also that it is not dependent on power take-off from a tractor orother type of motor vehicle as in conventional types of loaders, the auger being driven by means ofa self-levelling motor slung in a slidably 'adjustable position below the elevator tube, which motor drives the auger through bevel gearing and a telescopic square shaft, permitting "a variation in motorpositioning relative to the housing.

The'special mountingfor the motor admits of belt tighteningimmediately following the motor starting operation.

A still further advantage is that my machine has a longer reach into a grain bin, and also delivers more speedily than is the case with conventional loaders, and the intakeis so caged as to-provide a maximum of safety for the operator, to guard against accident with the revolving auger.

The auger shaft hangs from special carrier thrust roller type bearings at the upper end of the tubular casing, and it is merely supported at the bottom end thereof by a guide bearing.

In the drawings which illustrate embodiments of the invention, and which accompany this specification,

Figure l is a perspective view of the loader.

' Figure 2 is an enlarged detail view of the upper portion of the loader on line 2--2 in Figure 1..

Figure 3 is an enlarged detail view ofthe-middle portion of the loader on line 33 in Figure 1.

'2 Figure '7, shows in detail the clamp between loader case and its support.

)Inthe drawings the numeral 1 refers to a tubu lar casing enclosing a grain raising auger 2. A- tached longitudinally to the case I and on the underside thereof are two angle iron'rails 3 so separated as to form tracksior a pair of slidable inverted V-shaped adjustment legs 4la slidable thereon, on which legs the loader is carried. These support members are mounted on an axle 5 of a. pair of wheels ii, on' which the loader is carried and rests when in operation. At the bottom end of the housing I is a cage 7 consisting of longitudinal bars and a specially raised .bar 8 to form a lifting handle as well. These bars enclose the otherwise exposed auger at this end, and they are sufiiciently close together to form a safety guard, and they meet to form a support for an end bearing forthe auger shaft. v

A source of power consisting of a motor 9 is slung from the housing I in a level-assuming manner by means of a platform l l) mounted withma frame I l dependent from suspension rods i 2', which rods are pivotally dependent from a trans verse stub shaft [3 bearing in side plates H at the apex of the rods junctions. 'This stub shaft is normal to the case and is supported on a hanger consisting of two side plate members I5, one on gear l9 meshes with a bevel gear 20 mounted perpendicularly thereto on and within the said hanger side plates I5. A .shaftZl of this gear 20 is coupled with a universal joint 22 to a twopiece square telescopic shaft 23 axially parallel with the housing I, which shaft andbevel gears drive the auger shaft through conventional speed reducing gears at the 'head. or discharge end of the-elevator.

I The motor platform is conveniently hinged (not shown) within its frame I I so that the motor may be raised to slacken the belt when starting.

Figure 4 is a detail of the axle bearing block which drum has a crank 26 for winding andunconnected with the loader supporting legs.

Figure 5 is a side View, in elevation, of Figure 4, with one wheel indicated in broken lines. I

Figured shows the bevel gearsfor auger'op l'ation.

.In order to adjust the relative angularity be tween the V-legs 4 and M, as also that of the loader vertically, a cable 24 is windable on a small drum 25 mounted across the apex of the legs 4,

winding the cable. The drum 25 is fixedly mount:

ed onthe spindle 2'! of' the crank 26 and is journaled in bearingsjfl'forming parts of the side are 9 ea ushere me be w w srhe tween these flanges and the side plates 29 for the slidable action of the housing 1 relative to the leg supports. A clamp 33 is supported loosely on the spindle 2'! through the jaws 33a ofwhich one of the side angles 3 is slidable, and may be fixedly clamped by means of a stud 34, to retain the case in position. The drum may be held against unwinding by a stop 25a projecting from one leg of the frame 4, against which stop the crank arm will rest.

The longer and forwardly disposed leg frame 4a receives the cable 24 over a roller 35, in the centre of which is a circular grooved pulley 36 integral with the roller. The said roller has end flanges 31, and it is on this roller, and between these flanges, that the angle iron rails 3 travel when adjustments between the two leg frames 4 and 4a are being made, and also when the loader housing is being extended longitudinally forwardly or rearwardly.

The roller is supported between the upright legs of frame 4a by means of aspindle 38 which axle 5, and at the bottom ends of both frames 4 and 4a are plates 42 connecting these blocks with the frames. The leg frame 4 is attached directly to the main part of these two blocks, while the leg frame 4a is pivotally attached to an extending portion 4la of each of these blocks 4!. By this means the two frames 4 and 4a may be pivoted towards and away from one another as they are manipulated by the crank 26 operating the cable 24. The axle 5 extends outwardly from the blocks for mounting the two carrying wheels 6.

The square telescopic interconnected shafts 23 and 23a drive steel cut gears 43 in a casing 44 for driving the auger shaft, and included with these gears is the necessary spindle, and a carrier thrust roller bearing (not shown) from which the auger shaft depends, all of which parts at this top end of the elevator run in an oil bath.

This elevator is adjusted for angularity and proper elevation by first locking the clamp 33 by turning the stud 34, then winding the cable 24 on its drum by the crank 26, said cable passthe drum 25. The leg 31a of this bracket rests on the top of the angle 3 on that side of the case and holds the angle loosely against the drum.

The leg frames of the loader may be spread wide apart to their fullest extent for transportation, extending to the ends of the angles 3, and leaving suflicient space above the axle 5 for the engine and its supporting frame.

What I claim and desire to secure by Letters Patent I 1. A grain loader comprising in combination with an elongated tubular housing and a rotary auger, means for-adjusting the angularity of said housing relative to the ground, said means comprising; a wheelable supporting assembly, and a pair of rails longitudinally attached to the under side of said housing in' spaced parallel relationship one with the other, co-actable with said assembly, said assembly including a pair of leg frames, a ground wheel axle freely connecting the lower ends of said leg frames for independent rotation in a vertical plane, the upper ends of each of said leg frames converging towards a common apex, roller means connected to the upper ends of said leg frames and engageable with said rails for facilitating the movement of said upper ends in parallel proximity to said rails, means for decreasing or increasing the angle between said leg frames and means for clamping one of said leg frames to said rails at a selected position therealong, thereby controlling the range of varying inclination of said housing to the ground.

2. The device according to claim 1 in which said means for increasing or decreasing the angle between said leg frames consist of a drum and means for rotating same connected to the upper ends of one of said leg frames, a pulley occupying a substantially corresponding position on the other leg frame, a cable windable upon said drum, said cable passing around said pulley and being anchored to the leg frame to which said drum is connected.

3. The device according to claim 1 in which said rails are of right angular cross-section, the horizontal flanges thereof resting upon said roller means, said means for clamping one of said leg frames to said rails comprising a clamp loosely supported by one of said rollers, said clamp extending upwardly and terminating in 1 a pair of right angularly disposed jaws, the horiing around the roller 25 by way of the similar diameterattached pulley 36, and then back for anchorage through a hole in the flange 3i. This action pulls the leg frame 4a towards the leg frame 4 and causes the longer frame 4a to raise the head of the housing I. to lower this discharge end of the elevator the cable 24 is allowed to unwind off its drum, and by gravitational pull the longer and therefore heavier end of the case will cause the elevator to swing down since it is only attached by clamp 33 on its supporting frame 4, and the legs are both pivoted at their connection with the axle 5.

In order to hold the housing I of the loader in'place relatively with its rear supporting leg frame 4 a right angle bracket 31' is loosely mountedon that end of the spindle 2! opposite to thecrank 26. and'between the plate 29 and When it is desired zontal flange of said rail passing through said jaws, and a locking'bolt extending through one of said jaws being selectively engageable with said flange.

GEORGE A. ROBINSON.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 2,425,68l Lewis Aug. 12, 1947 2,492,341 Walters Dec. 27, 1949 2,516,360 Adams July 25, 1950 2,528,917 Slocum NOV. 7, 1950 FOREIGN PATENTS Number Country Date 1 513,450 Germany Nov. 27, 1930 822,644: France Jan. 5, 1938 

